Microstructure and fatigue properties of AA2519-O friction stir welded joint. (2020)

• Record Type: Journal Article
• Authors: Kosturek, Robert; Śnieżek, Lucjan; Torzewski, Janusz; Wachowski, Marcin
• Is Part Of: Materials today. Volume 28:Part 2(2020)
• Page Start: 1064
• Page End: 1067
• Publication Date: 2020
• Subjects: Friction stir welding -- Aluminum alloys -- Microstructure -- Mechanical properties -- Low-cycle fatigue; Materials science -- Congresses -- Periodicals; 620.1
• DOI: 10.1016/j.matpr.2019.12.405
• Languages: English
• ISSNs: 2214-7853

Abstract

Abstract: The aim of this research was to investigate the microstructure and fatigue properties of AA2519-O joint obtained in the friction stir welding process. The microstructure of the joint has been analyzed with the use of a light electron microscope and compared with the results of microhardness analysis. Fatigue properties were established in low-cycle fatigue tests with constant true strain amplitude equal to ε = 0.25%. The obtained amplitudes of stress and plastic strain have been presented in this paper. The fatigue fracture in the tested sample was analyzed with the use of a scanning electron microscope.